Stereographic view of Hayden, Gere & Co. brass works, looking upstream after the Mill River Disaster On the morning of May 16, 1874 the huge earthen dam holding back a 100-acre water power reservoir three...

Machined brass working model (3 x 3 x 3.5 inches) of a large water turbine of an advanced, highly efficient type that was used to power New England mills in the late 19th century. The model is easily disassembled...